322 lines
12 KiB
C#
322 lines
12 KiB
C#
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using System;
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using UnityEngine;
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using UnityEditor;
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namespace TMPro.EditorUtilities
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{
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[CustomPropertyDrawer(typeof(TMP_Style))]
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public class StyleDrawer : PropertyDrawer
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{
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public static readonly float height = 95f;
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public override float GetPropertyHeight(SerializedProperty property, GUIContent label)
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{
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return height;
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}
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public override void OnGUI(Rect position, SerializedProperty property, GUIContent label)
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{
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SerializedProperty nameProperty = property.FindPropertyRelative("m_Name");
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SerializedProperty hashCodeProperty = property.FindPropertyRelative("m_HashCode");
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SerializedProperty openingDefinitionProperty = property.FindPropertyRelative("m_OpeningDefinition");
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SerializedProperty closingDefinitionProperty = property.FindPropertyRelative("m_ClosingDefinition");
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SerializedProperty openingDefinitionArray = property.FindPropertyRelative("m_OpeningTagArray");
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SerializedProperty closingDefinitionArray = property.FindPropertyRelative("m_ClosingTagArray");
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EditorGUIUtility.labelWidth = 86;
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position.height = EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
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float labelHeight = position.height + 2f;
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EditorGUI.BeginChangeCheck();
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Rect rect0 = new Rect(position.x, position.y, (position.width) / 2 + 5, position.height);
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EditorGUI.PropertyField(rect0, nameProperty);
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if (EditorGUI.EndChangeCheck())
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{
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// Recompute HashCode if name has changed.
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hashCodeProperty.intValue = TMP_TextUtilities.GetSimpleHashCode(nameProperty.stringValue);
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property.serializedObject.ApplyModifiedProperties();
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// Dictionary needs to be updated since HashCode has changed.
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TMP_StyleSheet styleSheet = property.serializedObject.targetObject as TMP_StyleSheet;
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styleSheet.RefreshStyles();
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}
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// HashCode
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Rect rect1 = new Rect(rect0.x + rect0.width + 5, position.y, 65, position.height);
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GUI.Label(rect1, "HashCode");
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GUI.enabled = false;
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rect1.x += 65;
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rect1.width = position.width / 2 - 75;
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EditorGUI.PropertyField(rect1, hashCodeProperty, GUIContent.none);
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GUI.enabled = true;
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// Text Tags
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EditorGUI.BeginChangeCheck();
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// Opening Tags
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position.y += labelHeight;
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GUI.Label(position, "Opening Tags");
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Rect textRect1 = new Rect(110, position.y, position.width - 86, 35);
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openingDefinitionProperty.stringValue = EditorGUI.TextArea(textRect1, openingDefinitionProperty.stringValue);
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if (EditorGUI.EndChangeCheck())
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{
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// If any properties have changed, we need to update the Opening and Closing Arrays.
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int size = openingDefinitionProperty.stringValue.Length;
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// Adjust array size to match new string length.
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if (openingDefinitionArray.arraySize != size) openingDefinitionArray.arraySize = size;
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for (int i = 0; i < size; i++)
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{
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SerializedProperty element = openingDefinitionArray.GetArrayElementAtIndex(i);
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element.intValue = openingDefinitionProperty.stringValue[i];
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}
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}
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EditorGUI.BeginChangeCheck();
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// Closing Tags
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position.y += 38;
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GUI.Label(position, "Closing Tags");
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Rect textRect2 = new Rect(110, position.y, position.width - 86, 35);
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closingDefinitionProperty.stringValue = EditorGUI.TextArea(textRect2, closingDefinitionProperty.stringValue);
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if (EditorGUI.EndChangeCheck())
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{
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// If any properties have changed, we need to update the Opening and Closing Arrays.
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int size = closingDefinitionProperty.stringValue.Length;
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// Adjust array size to match new string length.
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if (closingDefinitionArray.arraySize != size) closingDefinitionArray.arraySize = size;
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for (int i = 0; i < size; i++)
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{
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SerializedProperty element = closingDefinitionArray.GetArrayElementAtIndex(i);
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element.intValue = closingDefinitionProperty.stringValue[i];
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}
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}
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}
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}
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[CustomEditor(typeof(TMP_StyleSheet)), CanEditMultipleObjects]
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public class TMP_StyleEditor : Editor
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{
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TMP_StyleSheet m_StyleSheet;
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SerializedProperty m_StyleListProp;
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int m_SelectedElement = -1;
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int m_Page;
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bool m_IsStyleSheetDirty;
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void OnEnable()
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{
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m_StyleSheet = target as TMP_StyleSheet;
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m_StyleListProp = serializedObject.FindProperty("m_StyleList");
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}
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public override void OnInspectorGUI()
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{
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Event currentEvent = Event.current;
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serializedObject.Update();
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m_IsStyleSheetDirty = false;
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int elementCount = m_StyleListProp.arraySize;
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int itemsPerPage = (Screen.height - 100) / 110;
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if (elementCount > 0)
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{
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// Display each Style entry using the StyleDrawer PropertyDrawer.
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for (int i = itemsPerPage * m_Page; i < elementCount && i < itemsPerPage * (m_Page + 1); i++)
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{
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// Define the start of the selection region of the element.
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Rect elementStartRegion = GUILayoutUtility.GetRect(0f, 0f, GUILayout.ExpandWidth(true));
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EditorGUILayout.BeginVertical(EditorStyles.helpBox);
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SerializedProperty styleProperty = m_StyleListProp.GetArrayElementAtIndex(i);
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EditorGUI.BeginChangeCheck();
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EditorGUILayout.PropertyField(styleProperty);
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EditorGUILayout.EndVertical();
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if (EditorGUI.EndChangeCheck())
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{
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//
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}
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// Define the end of the selection region of the element.
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Rect elementEndRegion = GUILayoutUtility.GetRect(0f, 0f, GUILayout.ExpandWidth(true));
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// Check for Item selection
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Rect selectionArea = new Rect(elementStartRegion.x, elementStartRegion.y, elementEndRegion.width, elementEndRegion.y - elementStartRegion.y);
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if (DoSelectionCheck(selectionArea))
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{
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if (m_SelectedElement == i)
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{
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m_SelectedElement = -1;
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}
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else
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{
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m_SelectedElement = i;
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GUIUtility.keyboardControl = 0;
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}
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}
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// Handle Selection Highlighting
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if (m_SelectedElement == i)
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TMP_EditorUtility.DrawBox(selectionArea, 2f, new Color32(40, 192, 255, 255));
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}
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}
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// STYLE LIST MANAGEMENT
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Rect rect = EditorGUILayout.GetControlRect(false, 20);
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float totalWidth = rect.width;
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rect.width = totalWidth * 0.175f;
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// Move Style up.
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bool guiEnabled = GUI.enabled;
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if (m_SelectedElement == -1 || m_SelectedElement == 0) { GUI.enabled = false; }
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if (GUI.Button(rect, "Up"))
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{
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SwapStyleElements(m_SelectedElement, m_SelectedElement - 1);
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}
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GUI.enabled = guiEnabled;
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// Move Style down.
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rect.x += rect.width;
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if (m_SelectedElement == elementCount - 1) { GUI.enabled = false; }
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if (GUI.Button(rect, "Down"))
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{
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SwapStyleElements(m_SelectedElement, m_SelectedElement + 1);
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}
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GUI.enabled = guiEnabled;
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// Add Style
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rect.x += rect.width + totalWidth * 0.3f;
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if (GUI.Button(rect, "+"))
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{
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int index = m_SelectedElement == -1 ? elementCount : m_SelectedElement;
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if (index > elementCount)
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index = elementCount;
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// Copy selected element
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m_StyleListProp.InsertArrayElementAtIndex(index);
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// Select newly inserted element
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m_SelectedElement = index + 1;
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serializedObject.ApplyModifiedProperties();
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m_StyleSheet.RefreshStyles();
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}
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// Delete style
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rect.x += rect.width;
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if (m_SelectedElement == -1 || m_SelectedElement >= elementCount) GUI.enabled = false;
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if (GUI.Button(rect, "-"))
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{
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int index = m_SelectedElement == -1 ? 0 : m_SelectedElement;
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m_StyleListProp.DeleteArrayElementAtIndex(index);
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m_SelectedElement = -1;
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serializedObject.ApplyModifiedProperties();
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m_StyleSheet.RefreshStyles();
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return;
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}
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// Return if we can't display any items.
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if (itemsPerPage == 0) return;
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// DISPLAY PAGE CONTROLS
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int shiftMultiplier = currentEvent.shift ? 10 : 1; // Page + Shift goes 10 page forward
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Rect pagePos = EditorGUILayout.GetControlRect(false, 20);
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pagePos.width = totalWidth * 0.35f;
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// Previous Page
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if (m_Page > 0) GUI.enabled = true;
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else GUI.enabled = false;
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if (GUI.Button(pagePos, "Previous"))
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m_Page -= 1 * shiftMultiplier;
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// PAGE COUNTER
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GUI.enabled = true;
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pagePos.x += pagePos.width;
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pagePos.width = totalWidth * 0.30f;
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int totalPages = (int)(elementCount / (float)itemsPerPage + 0.999f);
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GUI.Label(pagePos, "Page " + (m_Page + 1) + " / " + totalPages, TMP_UIStyleManager.centeredLabel);
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// Next Page
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pagePos.x += pagePos.width;
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pagePos.width = totalWidth * 0.35f;
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if (itemsPerPage * (m_Page + 1) < elementCount) GUI.enabled = true;
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else GUI.enabled = false;
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if (GUI.Button(pagePos, "Next"))
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m_Page += 1 * shiftMultiplier;
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// Clamp page range
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m_Page = Mathf.Clamp(m_Page, 0, elementCount / itemsPerPage);
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if (serializedObject.ApplyModifiedProperties())
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{
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TMPro_EventManager.ON_TEXT_STYLE_PROPERTY_CHANGED(true);
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if (m_IsStyleSheetDirty)
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{
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m_IsStyleSheetDirty = false;
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m_StyleSheet.RefreshStyles();
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}
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}
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// Clear selection if mouse event was not consumed.
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GUI.enabled = true;
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if (currentEvent.type == EventType.MouseDown && currentEvent.button == 0)
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m_SelectedElement = -1;
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}
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// Check if any of the Style elements were clicked on.
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static bool DoSelectionCheck(Rect selectionArea)
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{
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Event currentEvent = Event.current;
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switch (currentEvent.type)
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{
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case EventType.MouseDown:
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if (selectionArea.Contains(currentEvent.mousePosition) && currentEvent.button == 0)
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{
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currentEvent.Use();
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return true;
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}
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break;
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}
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return false;
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}
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void SwapStyleElements(int selectedIndex, int newIndex)
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{
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m_StyleListProp.MoveArrayElement(selectedIndex, newIndex);
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m_SelectedElement = newIndex;
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m_IsStyleSheetDirty = true;
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}
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}
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}
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